Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1992-08-17
1994-06-07
Lee, Benny
Wave transmission lines and networks
Coupling networks
Electromechanical filter
333192, H03H 960
Patent
active
053193270
ABSTRACT:
An IF crystal filter for a VHF receiver including:
REFERENCES:
patent: 3588756 (1971-06-01), Roylance
patent: 3633134 (1972-01-01), Barrows
patent: 4323866 (1982-04-01), Inoue
patent: 4818959 (1989-04-01), Katoh
Cunningham Gary J.
Krause Joseph P.
Lee Benny
Markison Timothy W.
Motorola Inc.
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